Single Girder Overhead Crane

Single Girder bridge Crane

Description

LDA model single girder bridge crane is a kind of light duty crane, with a capacity of 1 to 20 tons. The span is 7.5to 31.5 meters. Working grade is A3. Working temperature is -25°C to 40°C.

This crane is a single girder type crane with traditional steel girder or box-typed girder. The lifting capacity is usually less than 20 tons. This type crane can be used in steel plants, hydro-power stations, warehouses and workshops etc.

It is matched with electric hoist which is CD model or MD model.

It is prohibited to use the equipment in the combustible, explosive or corrosives environment.

Mechanisms of single girder bridge crane:

1. Rigid box-typed main girder;

2. Shot blasting for the whole body after welding and releasing internal stresses;

3. Painting epoxy zinc-rich primer, and the thickness of oil film is 140μm;

4. Main girder and end girders are connected by 10.9 degree high-strength bolts;

5. Driven by electric reducer or traditional LD drive system;

6. Running smoothly, brake efficiently, long service life;

Electric System:

1. Supplying power through steeples slide line;

2. The crane and hoist are mutually independent and could travel at the same time;

3. Etch-proof control handle with protection degree of IP54;

4. Electric cable is suspended in cable trolley which slides flexibly and smoothly on a C-type steel;

Safety Protection:

Overload limiter, limit switch (lifting and travelling), interlocking protection device, buffer, rail clear plate, shield, bus protection plate, anti-collision device, main disconnecting switch, emergency brake system and motor overload protection device. 

Specification